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src/views/InstructorView.js

@@ -232,6 +232,8 @@ export async function renderInstructorView() {
 }
 
 export function setupInstructorEvents() {
+    let roomUnsubscribe = null;
+
     // Auth Logic
     const authBtn = document.getElementById('auth-btn');
     const pwdInput = document.getElementById('instructor-password');
@@ -712,8 +714,7 @@ export function setupInstructorEvents() {
         enterRoom(savedRoomCode);
     }
 
-    // Module-level variable to track subscription
-    let roomUnsubscribe = null;
+    // Module-level variable to track subscription (Moved to top)
 
     function enterRoom(roomCode) {
         createContainer.classList.add('hidden');